Building a Pool on Hillsides

Don’t let your hillside property limit your landscaping options. It may actually be your biggest asset for building a pool on a hillside. Diamond Pools brings specialist expertise that transforms ‘impossible’ sites into stunning outdoor spaces. We handle complex projects across the region, including specialist pool installation in West Auckland.

Contact our team, and we’ll show you exactly what’s possible for your property. You might be surprised at how achievable your hillside pool really is.

Types of Pools Suitable for Hillsides

Fibreglass Pools on Hillsides

When combined with our eco-block foundation system, a single pre-formed fibreglass pool shell creates a self-supporting structure that handles lateral earth pressure exceptionally well.


The installation process for a fibreglass pool on a hillside is also typically faster than that of a concrete pool. This matters on sloped sites where weather can impact construction schedules and where minimising the time your hillside is excavated reduces risk. Fibreglass shells are also lighter than concrete, which can be advantageous on certain soil types common to Auckland hillsides.

Custom Concrete Pools 

The structural strength of concrete is ideal for particularly challenging slopes with significant lateral earth pressure. 

We can adjust wall thickness, reinforcement placement, and structural design to match your requirements. This flexibility means we're not limited to standard shapes or sizes, allowing us to build an inground pool on a hillside that follows the natural lines of your landscape.

Infinity Edge and Negative Edge Pools

Achieve the perfect resort-style aesthetic in your own backyard. Hillside properties offer the perfect setting for infinity edge or negative edge pools—something that flat sections can’t match. These designs create a visual illusion that your pool water extends endlessly into the horizon, seamlessly merging with the views of the surrounding landscape.

An infinity edge pool features one or more walls where water flows over the edge into a catch basin below, creating that distinctive vanishing effect. On the other hand, negative edge pools have the water flush with the pool deck, overflowing into hidden perimeter channels. 

Our self-retaining construction methods integrate beautifully with these designs, as the pool structure naturally accommodates the elevation changes while maintaining stability.

Why Choose Diamond Pools for Your Hillside Project?

We don't shy away from difficult projects. If your sloped property has been rejected by other builders, that's precisely the type of challenge we're equipped to handle. From properties with steep gradients to complex drainage problems, these are issues that we solve daily using our years of expertise in constructing self-retaining inground pools on steep slopes. Our specialised experience includes successful pool installation in Remuera and across other challenging Auckland suburbs.

Instead of a standard approach forced onto challenging terrain, every hillside project includes custom engineering, comprehensive drainage solutions, and construction techniques proven on some of Auckland's steepest sites.

Want to work with one of the best hillside pool installers in Auckland? Get straight answers about what's required, realistic timelines, and a finished pool that works with your landscape rather than fighting against it. Contact Diamond Pools today.

Our Portfolio

The Installation Process

  • Every hillside pool project begins with a comprehensive evaluation of your property's specific characteristics. We assess the angle of your slope, soil composition, and underlying stability to determine the most effective construction approach for your site, along with access planning. 

    We identify existing drainage patterns and water runoff pathways, as these will significantly impact both construction and the long-term performance of your pool. 

    This initial phase includes transparent discussion of any site-specific challenges we've identified and the solutions we'll implement to address them. You'll understand exactly what we're dealing with, why we're recommending certain approaches, and what to expect throughout the process of building a pool on a hillside.

  • Excavation on a hillside requires a completely different approach than digging on a flat site. We use strategic, staged excavation techniques that maintain the hillside's stability throughout the construction process.

    Where necessary, we install temporary stabilisation measures to protect the excavation site during construction. This might include bracing, temporary drainage, or other supports that maintain safety and stability until the permanent pool structure is in place. 

    We establish safe working areas and access routes on the incline, ensuring our team and equipment can operate effectively throughout the build without compromising your existing landscape.

  • This is where our approach differs significantly from traditional hillside pool construction. We install our innovative eco-block foundation system, which creates a stable, insulated base self-retaining pool structure that works specifically with sloped terrain. 

    When installing fibreglass pools on hillsides, we proceed with precision crane placement of the pre-formed shell onto the prepared eco-block base, ensuring the pool sits level despite the surrounding gradient. For concrete pools, we move on with forming, steel reinforcement placement, and shotcrete application using construction methods proven on dozens of Auckland hillside installations.

  • Once the structural work is complete, we apply your chosen Diamond Standard finish. Quartz plaster creates a sparkling aesthetic that catches light beautifully, which is particularly striking when viewed from above on a hillside property. Full tiling offers ultimate durability and chemical resistance, maintaining its premium appearance for decades, even under the unique stresses associated with installing swimming pools for sloped yards. Both options far exceed the performance of traditional marble plaster finishes.

    Then, we install equipment like your filtration system, heating, and any automation features you’ve selected. Once we’ve signed off on all final checks and ensured that your pool is running as it should, we hand your brand-new pool to you, along with comprehensive guidance on maintenance and operation.

Frequently Asked Questions

  • Yes, absolutely. We've installed pools on some of Auckland's steepest residential sites using eco-block technology and custom engineering tailored to each property's specific gradient and soil conditions. 

    The key is working with experienced builders who understand hillside construction rather than treating your slope as an obstacle to overcome. 

  • There's no absolute cutoff angle that makes a hillside pool impossible, but practicality does shift as gradients increase beyond 30-35 degrees. At steeper angles, the engineering complexity, excavation requirements, and construction costs rise significantly—though even these sites can remain buildable with the right approach.

    While we've successfully installed inground pools on steep slopes that other builders considered too challenging, we’ll evaluate your gradient and site conditions during our assessment to provide a straight answer about what’s feasible and whether the investment makes sense for your property.

  • The pool itself must be perfectly level once installed, but your ground doesn't need to be level before we start. The surrounding ground can remain sloped, and in fact, working with your existing gradient often creates more visually interesting results than forcing everything flat. We transform your sloped ground into a stable, level foundation for your pool, while maintaining the natural character of your hillside property.

Build Your Dream Pool on a Hillside Today!